From 42ad12ebf13400adc8ac6092ae16a27b63240a06 Mon Sep 17 00:00:00 2001
From: Klaus Post <klauspost@gmail.com>
Date: Fri, 18 Jun 2021 10:41:36 -0700
Subject: [PATCH] fs: Handle no buckets (#12531)

Since total are sent after each bucket, deleting all would
not make usage go to zero.
---
 cmd/fs-v1.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmd/fs-v1.go b/cmd/fs-v1.go
index 179c5ea00..8e7e86fac 100644
--- a/cmd/fs-v1.go
+++ b/cmd/fs-v1.go
@@ -251,6 +251,12 @@ func (fs *FSObjects) NSScanner(ctx context.Context, bf *bloomFilter, updates cha
 	if err != nil {
 		return err
 	}
+	if len(buckets) == 0 {
+		totalCache.keepBuckets(buckets)
+		updates <- totalCache.dui(dataUsageRoot, buckets)
+		return nil
+	}
+
 	totalCache.Info.BloomFilter = bf.bytes()
 
 	// Clear totals.